Finding the Fourth Proportional to 4,618,732.24, 6,372,450.60 and 3,223,256.75
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Solution
The fourth proportional to 4,618,732.24, 6,372,450.60 and 3,223,256.75 is: 4,447,117.37
Step by Step Solution
- Step 1: Write the proportion equation
4,618,732.24 : 6,372,450.60 = 3,223,256.75 : x - Step 2: Convert to fraction form
4,618,732.24/6,372,450.60 = 3,223,256.75/x - Step 3: Cross multiply
4,618,732.24x = 6,372,450.60 × 3,223,256.75 - Step 4: Simplify right side
4,618,732.24x = 20,540,044,390,438.77 - Step 5: Solve for x
x = 20,540,044,390,438.77/4,618,732.24 - Step 6: Final answer
x = 4,447,117.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.